The RP mk3 headphones by Fostex are the successors to the well-regarded RP mk2 series, which has been used in professional recording studios for over 30 years.
These headphones are known for their robustness, reliability, and accurate monitoring capabilities.
Fostex T50RP mk3 Headphones Key Features
- Unique Proprietary RP (Regular Phase) Drivers – The RP driver unit incorporates Fostex’s own Regular Phase Technology diaphragm, also known as orthodynamic. It features a copper foil etched polyimide film and a powerful magnet, resulting in sharper audio reproduction for more accurate monitoring.
- Lower Sensitivity for Accurate Response – The RP mk3 drivers have lower sensitivity compared to the previous model and some dynamic designs. However, the focus is on accurate response with reduced extremes in high/low sensitivity across the frequency range. When paired with a quality headphone amplifier, the RP series delivers a balanced and natural sound that is transparent, particularly in the mid/high frequencies.
- Flexible and Reliable – The RP mk3 series can handle a maximum input power of 3000mW, making them suitable for various professional situations. The headphones come with an interchangeable 6.35mm / 3.5mm cable, allowing compatibility with portable, professional, and consumer products. The redesigned housing, low-repulsion ear pads, and headband ensure maximum performance and comfort.
- Three Models for Different Environments – The RP mk3 series offers three different enclosure types to suit various uses. The T50RPmk3 model features a semi-open design that combines advantages from open and closed designs. It provides a very flat and accurate response, making it ideal for critical and analytical listening in commercial recording studios.
Fostex T50RP mk3 Headphones Specs
- Headphone Type: Semi-Open
- Style: Over-Ear
- Driver Type: Planar Magnetic
- Headphone Connector Type: 1x 3.5mm Straight Cable & 1x 6.35mm Coiled Cable
- Includes Adaptor: Yes
- Impedance: 50 Ohm
- Microphone: No
- Detachable Cable: Yes
- Cable Length: 1x 1.2m / 1x 3.0m
- Weight: 315g
- Sensitivity: 96 dB/mW
The Fostex RP mk3 headphones offer a reliable and accurate monitoring solution with their refined RP drivers, comfortable design, and options for different enclosure types. They are well-suited for professional use in commercial recording studios and other critical listening applications.







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